Home / 188,713.12-283,024.32-55,557.20

Finding the Fourth Proportional to 188,713.12, 283,024.32 and 55,557.20

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Solution

The fourth proportional to 188,713.12, 283,024.32 and 55,557.20 is: 83,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,713.12 : 283,024.32 = 55,557.20 : x
  2. Step 2: Convert to fraction form
    188,713.12/283,024.32 = 55,557.20/x
  3. Step 3: Cross multiply
    188,713.12x = 283,024.32 × 55,557.20
  4. Step 4: Simplify right side
    188,713.12x = 15,724,038,751.10
  5. Step 5: Solve for x
    x = 15,724,038,751.10/188,713.12
  6. Step 6: Final answer
    x = 83,322.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.